Added Documentation

Author: SebaOfficial

README.md

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+<div align="center">
+ 	<img align="center" src="https://github.com/TelegramSDK/BotAPI/assets/115643607/7d440cea-b563-49ce-b137-1144949d9636" alt="Telegram Logo" style="margin-bottom:20px;">
+	<h1>TelegramSDK - BotAPI</h1>
+</div>
+
+[![Latest Version on Packagist](https://img.shields.io/packagist/v/telegramsdk/botapi.svg?label=composer&logo=composer)](https://packagist.org/packages/telegramsdk/botapi) ![PHP](https://img.shields.io/packagist/dependency-v/telegramsdk/botapi/php?logo=php)
+
+
+
+## 🛠 Instalation
+You can install the package via composer:
+
+```bash
+composer require telegramsdk/botapi
+```
+
+## ❔ Usage
+* Full documentation can be found [here](https://github.com/TelegramSDK/BotAPI/tree/main/docs).
+* Examples can be found [here](https://github.com/TelegramSDK/BotAPI/tree/main/examples).
+
+## 📝 Testing
+Run Unit tests:
+```bash
+composer test
+```
+Before running tests make sure you have `runkit7` installed:
+```bash
+composer runkit
+```
+
+
+## ⚖️ License
+This project is under the [MIT License](https://github.com/TelegramSDK/BotAPI/blob/main/LICENSE).

docs/00-introduction.md

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+# Getting Started
+Before reading this documentation I recommend having a look at [Telegram Docs](https://core.telegram.org/bots/api).
+
+If you haven't installed this library yet, install it via composer:
+```bash
+composer require telegramsdk/botapi
+```
+
+## General Information
+The library provides one main class: `TelegramSDK\BotAPI\Telegram\Bot`.<br>
+You can use it to send requests to Telegram or get the updates.
+
+```php
+<?php
+
+use TelegramSDK\BotAPI\Telegram\Bot;
+
+$bot = new Bot("YOUR_BOT_TOKEN"); // Your bot token
+
+$bot->sendMessage([ // Send a message
+    "chat_id" => 123 // Your chat id
+    "text" => "A message"
+]);
+```
+
+### How does it work?
+Every method in the `Bot` class is from the [Telegram Api](https://core.telegram.org/bots/api#available-methods) and it's case insensitive.
+
+## Examples
+You can see the available examples [here](https://github.com/TelegramSDK/BotAPI/tree/main/examples).

docs/01-updates.md

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+# Getting Updates
+As mentioned in the introduction, the `Bot` class provides a method to get updates.
+
+There are 3 updates methods:
+* `Bot::NO_UPDATES`: No updates are expected from Telegram, is set to default.
+* `Bot::UPDATES_FROM_GET_UPDATES`: Get updates from the `getUpdates()` method.
+* `Bot::UPDATES_FROM_WEBHOOK`: Get updates from [`php://input`](https://www.php.net/manual/en/wrappers.php.php#wrappers.php.input).
+
+## How to use them
+```php
+<?php
+
+use TelegramSDK\BotAPI\Telegram\Bot;
+
+// With getUpdates()
+$bot1 = new Bot("YOUR_BOT_TOKEN", Bot::UPDATES_FROM_GET_UPDATES);
+
+$updates = $bot1->updates();
+foreach($updates->result as $update){
+    echo json_encode($update) . "\n";
+}
+
+
+// With a webhook
+$bot2 = new Bot("YOUR_BOT_TOKEN", Bot::UPDATES_FROM_WEBHOOK);
+
+$update = $bot2->updates();
+echo (json_encode($update) ?? "No updates found.") . "\n";
+```